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| function CreateAutoTempFile(Prefix: String; out TempFileName: String): THandle; const FILE_SHARE_NONE = 0; var TempPath: PChar; TempPathBufferSize: Integer; begin Result := INVALID_HANDLE_VALUE; TempPathBufferSize := GetTempPath(0, nil); GetMem(TempPath, TempPathBufferSize); try if GetTempPath(TempPathBufferSize, TempPath) <> 0 then begin SetLength(TempFileName, MAX_PATH); if GetTempFileName(TempPath, PChar(Prefix), 0, PChar(TempFileName)) <> 0 then begin SetLength(TempFileName, StrLen(PChar(TempFileName))); Result := CreateFile(PChar(TempFileName), GENERIC_READ or GENERIC_WRITE, FILE_SHARE_NONE, nil, CREATE_ALWAYS, FILE_ATTRIBUTE_TEMPORARY or FILE_FLAG_DELETE_ON_CLOSE, 0); if Result = INVALID_HANDLE_VALUE then TempFileName := SysErrorMessage(GetLastError); end else TempFileName := SysErrorMessage(GetLastError); end else TempFileName := SysErrorMessage(GetLastError); finally FreeMem(TempPath, TempPathBufferSize); end; end; |